Programmer Group

Two days ago, we introduced Multi data source configuration of JdbcTemplate as well as Multi data source configuration of Spring Data JPA , let's talk about how to configure the multi data source scenario when using MyBatis. Add configuration for multiple data sources First, in the configuration file of ...

Previously read articles about RabbitMQ core messaging patterns are based on Java API s, and recently read the official documentation and found that these core messaging patterns can be implemented through Spring AMQP.This paper summarizes the practical techniques of RabbitMQ, including its installation on Windows and Linux, and the Spring A ...

What is AOP AOP (aspect oriented programming): aspect oriented programming is a complement to traditional object-oriented programming. What do you mean? For example, in the above figure, there are many identical function codes in different methods. Then we can extract these identical function codes an ...

1. Introduction to rabbitadmin rely on <dependency> <groupId>com.rabbitmq</groupId> <artifactId>amqp-client</artifactId> <version>3.6.5</version> </dependency> <!--Rabbit SpringBoot--> <dependency> ...

Principle of Spring cloud Feign + Hystrix (I) Netflix Hystrix has stopped updating and is currently in maintenance status. In spring cloud, the call to the service is usually completed with feign. If you want to use hystrix as the fuse at the same time, you only need to configure as follows (provided ...

Article catalog 1, Evaluation 1. EvaluationContext 2. Configuration 2, Use 1. Based on XML 2. Based on annotation 3, Grammar 1. Text 2. Property, array, set 3. In line List 4. In line Maps 5. Array constructor 6. Method 7. Operator 8. Type 9. Constructor 10. Variables 11. Functions 12. Bean refe ...

Spring Day 3 Introduction to AOP What is AOP? The Role and Advantage of AOP Effect advantage Introducing learning cases - adding transaction support to the business tier Terminology related to AOP Joinpoint Pointcut (entry point) Advice (Notification/Enhancement) Introduction (Introduction) Targe ...

Article catalog Constant table Interface Verbal description.java Brain teaser.java Chapter 16 Charge.java Electric field.java Chapter 17 Electric potential energy.java Equipotential surface.java Potential.java Capacitance.java Dielectric.java Chapter 18 Current.java Electric power.java Resista ...

1. Preparation: Install idea, configure jdk,tomcat, maven, MySQL and other environments. In this case, JDK1.8, Tomcat 8.0, maven 3.6.0, idea2018, mysql5.6 and sqlyog are used 2. Introduction to the case: The integration of parent-child modules of ssm is built from scratch. This case is based on the ...

Current User Now we can start doing something that we really care about - performing security operations. When protecting our applications, the most relevant questions we may ask ourselves are "Who is the current user" or "Is the current user allowed to do XXX?" When we write code or design user interfaces, it is common to a ...